Finding the Fourth Proportional to 1,226,158.62, 1,839,248.25 and 427,438.68
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Solution
The fourth proportional to 1,226,158.62, 1,839,248.25 and 427,438.68 is: 641,161.62
Step by Step Solution
- Step 1: Write the proportion equation
1,226,158.62 : 1,839,248.25 = 427,438.68 : x - Step 2: Convert to fraction form
1,226,158.62/1,839,248.25 = 427,438.68/x - Step 3: Cross multiply
1,226,158.62x = 1,839,248.25 × 427,438.68 - Step 4: Simplify right side
1,226,158.62x = 786,165,844,172.31 - Step 5: Solve for x
x = 786,165,844,172.31/1,226,158.62 - Step 6: Final answer
x = 641,161.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.